/Engine/Source/Runtime/Experimental/Chaos/Public/Chaos/XPBDWeakConstraints.h
This one only accepts tetmesh input and mesh
FXPBDWeakConstraints ( const ParticleType & InParticles, const [TArray](API\Runtime\Core\Containers\TArray)< [TArray](API\Runtime\Core\Containers\TArray)< int32 >> & InIndices, const [TArray](API\Runtime\Core\Containers\TArray)< [TArray](API\Runtime\Core\Containers\TArray)< T >> & InWeights, const [TArray](API\Runtime\Core\Containers\TArray)< T > & InStiffness )